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Disclosures About Fair Value of Assets and Liabilities, Financial Instruments not Recorded at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Carrying Amount [Member]
Financial Assets [Abstract]
Cash and due from banks	$ 123,763	$ 128,090
Interest-bearing time deposits in other banks	32,632	31,759
Loans, net of allowance	623,614	592,078
Mortgage loans held for sale	8	512
Nonmarketable equity securities	1,069	1,055
Interest receivable	4,270	4,538
Financial Liabilities [Abstract]
Deposits	696,055	675,903
Interest payable	607	461
Fair Value [Member]
Financial Assets [Abstract]
Cash and due from banks	123,763	128,090
Interest-bearing time deposits in other banks	32,631	31,758
Loans, net of allowance	623,318	592,399
Mortgage loans held for sale	8	512
Nonmarketable equity securities	1,069	1,055
Interest receivable	4,270	4,538
Financial Liabilities [Abstract]
Deposits	696,015	675,017
Interest payable	607	461
Fair Value [Member] | Level 1 [Member]
Financial Assets [Abstract]
Cash and due from banks	123,763	128,090
Interest-bearing time deposits in other banks	0	0
Loans, net of allowance	0	0
Mortgage loans held for sale	0	0
Nonmarketable equity securities	0	0
Interest receivable	0	0
Financial Liabilities [Abstract]
Deposits	0	0
Interest payable	0	0
Fair Value [Member] | Level 2 [Member]
Financial Assets [Abstract]
Cash and due from banks	0	0
Interest-bearing time deposits in other banks	32,631	31,758
Loans, net of allowance	621,399	591,893
Mortgage loans held for sale	8	512
Nonmarketable equity securities	1,069	1,055
Interest receivable	4,270	4,538
Financial Liabilities [Abstract]
Deposits	696,015	675,017
Interest payable	607	461
Fair Value [Member] | Level 3 [Member]
Financial Assets [Abstract]
Cash and due from banks	0	0
Interest-bearing time deposits in other banks	0	0
Loans, net of allowance	1,919	506
Mortgage loans held for sale	0	0
Nonmarketable equity securities	0	0
Interest receivable	0	0
Financial Liabilities [Abstract]
Deposits	0	0
Interest payable	$ 0	$ 0

X

- Definition

Fair value portion of interest-bearing deposits in banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.

+ References

No definition available.

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- Definition

Fair value portion of nonmarketable equity securities.

+ References

No definition available.

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- Definition

Fair value portion of amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

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- Definition

Fair value portion of accrued expenses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

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- Definition

Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

+ References

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-URI http://asc.fasb.org/subtopic&trid=2196772

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- Definition

Fair value portion of mortgage loans held-for-sale.

+ References

No definition available.

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